photodissociation

noun

pho·​to·​dis·​so·​ci·​a·​tion ˌfō-tō-di-ˌsō-sē-ˈā-shən How to pronounce photodissociation (audio)
-shē-
: dissociation of the molecules of a substance (such as water) caused by absorption of radiant energy
photodissociate verb

Examples of photodissociation in a Sentence

Recent Examples on the Web
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Although there are many ideas that involve molecular oxygen, it’s only found in tiny, trace amounts from the photodissociation of water. Ethan Siegel, Forbes, 11 Mar. 2021

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of photodissociation was in 1907

Dictionary Entries Near photodissociation

Cite this Entry

“Photodissociation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photodissociation. Accessed 14 Nov. 2024.

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